Batman - Sword of Azrael #1-4 (1992) Complete

BATMAN: SWORD OF AZRAEL depicts the origin of Jean Paul Valley, the man who one day replaces Bruce Wayne as Batman. The descendant of holy warriors, Jean Paul is forced into using his ancestral super powers and abilities to become Azrael, the avenging angel of an ancient cult. But when the Order of St. Dumas targets Batman, Azrael begins to question his life and duty. After working alongside the Dark Knight to defeat the deadly demon that threatens the ancient cult, Azrael turns his back on the Order and leaves to train under the tutelage of Batman.